On an August morning, when most of Saudi Aramco's employees were home preparing for a religious holiday, hackers unleashed a virus that erased the data on three-quarters of the state-owned Saudi Arabian oil company's computers.

In a lesser-known case, hackers drilled into the systems of a major U.S. manufacturer and, 10 minutes later, emerged with the intellectual property for a project the company had spent $900 million and a decade developing. | Dec. 23, 2012»Read Full Article